Police officers detain a supporter of opposition leader Alexei Navalny during a rally in St.Petersburg, Russia, Monday, Jan. 18, 2021. A judge has ordered to remand Russian opposition leader Alexei Navalny in custody for 30 days, his spokeswoman Kira Yarmysh said on Twitter. The ruling Monday concluded an hours-long court hearing set up at a police precinct where the politician has been held since his arrest at a Moscow airport Sunday. A banner reading 'Release everyone and be held accountable in accordance with the law'. (AP Photo/Dmitri Lovetsky)

Police officers detain a supporter of opposition leader Alexei Navalny during a rally in St.Petersburg, Russia, Monday, Jan. 18, 2021. A judge has ordered to remand Russian opposition leader Alexei Navalny in custody for 30 days, his spokeswoman Kira Yarmysh said on Twitter. The ruling Monday concluded an hours-long court hearing set up at a police precinct where the politician has been held since his arrest at a Moscow airport Sunday. (AP Photo/Dmitri Lovetsky)

Police officers detain supporters of opposition leader Alexei Navalny during a rally in St.Petersburg, Russia, Monday, Jan. 18, 2021. A judge has ordered to remand Russian opposition leader Alexei Navalny in custody for 30 days, his spokeswoman Kira Yarmysh said on Twitter. The ruling Monday concluded an hours-long court hearing set up at a police precinct where the politician has been held since his arrest at a Moscow airport Sunday. (AP Photo/Dmitri Lovetsky)